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---
--- Drop the triggers and function created by 20030109.sql.
--- 20030109.sql did not work for people using pgsql 7.1.x.
---
DROP TRIGGER surveys_agg_trig ON surveys;
DROP TRIGGER mail_agg_trig ON mail_group_list;
DROP TRIGGER fmsg_agg_trig ON forum;
DROP TRIGGER fora_agg_trig ON forum_group_list;
DROP FUNCTION project_sums();
---
--- Reimplement functionality of 20030109.sql in a way that works
--- for all pgsql > 7.0. Users of pgsql > 7.3 will notice:
---
--- NOTICE: CreateTrigger: changing return type of function project_sums() from OPAQUE to TRIGGER
---
--- that is safe to ignore.
---
---
--- This function updates the project_sums_agg count for a given type.
---
CREATE FUNCTION "project_sums" () RETURNS OPAQUE AS '
DECLARE
num integer;
curr_group integer;
found integer;
BEGIN
---
--- Get number of things this group has now
---
IF TG_ARGV[0]=\'surv\' THEN
IF TG_OP=\'DELETE\' THEN
SELECT INTO num count(*) FROM surveys WHERE OLD.group_id=group_id AND is_active=1;
curr_group := OLD.group_id;
ELSE
SELECT INTO num count(*) FROM surveys WHERE NEW.group_id=group_id AND is_active=1;
curr_group := NEW.group_id;
END IF;
END IF;
IF TG_ARGV[0]=\'mail\' THEN
IF TG_OP=\'DELETE\' THEN
SELECT INTO num count(*) FROM mail_group_list WHERE OLD.group_id=group_id AND is_public=1;
curr_group := OLD.group_id;
ELSE
SELECT INTO num count(*) FROM mail_group_list WHERE NEW.group_id=group_id AND is_public=1;
curr_group := NEW.group_id;
END IF;
END IF;
IF TG_ARGV[0]=\'fmsg\' THEN
IF TG_OP=\'DELETE\' THEN
SELECT INTO curr_group group_id FROM forum_group_list WHERE OLD.group_forum_id=group_forum_id;
SELECT INTO num count(*) FROM forum, forum_group_list WHERE forum.group_forum_id=forum_group_list.group_forum_id AND forum_group_list.is_public=1 AND forum_group_list.group_id=curr_group;
ELSE
SELECT INTO curr_group group_id FROM forum_group_list WHERE NEW.group_forum_id=group_forum_id;
SELECT INTO num count(*) FROM forum, forum_group_list WHERE forum.group_forum_id=forum_group_list.group_forum_id AND forum_group_list.is_public=1 AND forum_group_list.group_id=curr_group;
END IF;
END IF;
IF TG_ARGV[0]=\'fora\' THEN
IF TG_OP=\'DELETE\' THEN
SELECT INTO num count(*) FROM forum_group_list WHERE OLD.group_id=group_id AND is_public=1;
curr_group = OLD.group_id;
--- also need to update message count
DELETE FROM project_sums_agg WHERE group_id=OLD.group_id AND type=\'fmsg\';
INSERT INTO project_sums_agg
SELECT forum_group_list.group_id,\'fmsg\'::text AS type, count(forum.msg_id) AS count
FROM forum, forum_group_list
WHERE forum.group_forum_id=forum_group_list.group_forum_id AND forum_group_list.is_public=1 GROUP BY group_id,type;
ELSE
SELECT INTO num count(*) FROM forum_group_list WHERE NEW.group_id=group_id AND is_public=1;
curr_group = NEW.group_id;
--- fora do not get deleted... they get their status set to 9
IF NEW.is_public=9 THEN
--- also need to update message count
DELETE FROM project_sums_agg WHERE group_id=NEW.group_id AND type=\'fmsg\';
INSERT INTO project_sums_agg
SELECT forum_group_list.group_id,\'fmsg\'::text AS type, count(forum.msg_id) AS count
FROM forum, forum_group_list
WHERE forum.group_forum_id=forum_group_list.group_forum_id AND forum_group_list.is_public=1 GROUP BY group_id,type;
END IF;
END IF;
END IF;
---
--- See if this group already has a row in project_sums_agg for these things
---
SELECT INTO found count(group_id) FROM project_sums_agg WHERE curr_group=group_id AND type=TG_ARGV[0];
IF found=0 THEN
---
--- Create row for this group
---
INSERT INTO project_sums_agg
VALUES (curr_group, TG_ARGV[0], num);
ELSE
---
--- Update count
---
UPDATE project_sums_agg SET count=num
WHERE curr_group=group_id AND type=TG_ARGV[0];
END IF;
IF TG_OP=\'DELETE\' THEN
RETURN OLD;
ELSE
RETURN NEW;
END IF;
END;
' LANGUAGE 'plpgsql';
CREATE TRIGGER "surveys_agg_trig" AFTER INSERT OR DELETE OR UPDATE ON "surveys" FOR EACH ROW EXECUTE PROCEDURE project_sums('surv');
CREATE TRIGGER "mail_agg_trig" AFTER INSERT OR DELETE OR UPDATE ON "mail_group_list" FOR EACH ROW EXECUTE PROCEDURE project_sums('mail');
CREATE TRIGGER "fmsg_agg_trig" AFTER INSERT OR DELETE OR UPDATE ON "forum" FOR EACH ROW EXECUTE PROCEDURE project_sums('fmsg');
CREATE TRIGGER "fora_agg_trig" AFTER INSERT OR DELETE OR UPDATE ON "forum_group_list" FOR EACH ROW EXECUTE PROCEDURE project_sums('fora');
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